<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
	HOME<%=request.getSession().getAttribute("username") %>
			<a href="login2.html" >登录</a>
			<a href="register.html" >注册</a>
			<a href="param.html" >退出</a>
</body>
</html>